#669F28#669F28

#669F28 is a light, vivid yellow-green. Relative luminance 0.278; OKLCH L 64.0% C 0.159 H 132.1°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#669F28
RGB	rgb(102, 159, 40)
HSL	hsl(89, 60%, 39%)
HSV	hsv(89, 75%, 62%)
CMYK	cmyk(35.8%, 0%, 74.8%, 37.6%)
CIE-LAB	lab(59.68, -37.71, 52.70)
CIE-LCH	lch(59.68, 64.81, 125.59°)
OKLab	oklab(63.98% -0.1065 0.1179)
OKLCH	oklch(63.98% 0.159 132.1)
XYZ	xyz(18.2604, 27.7735, 6.4058)
Luminance	0.2777 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669F28 #61289F

analogous

#9F9D28 #669F28 #2B9F28

triadic

#669F28 #28669F #9F2866

tetradic

#669F28 #289F9D #61289F #9F282B

square

#669F28 #289F9D #61289F #9F282B

split-complementary

#669F28 #282B9F #9D289F

monochromatic

#273D0F #476E1C #669F28 #85CD37 #A3D968

Accessibility & contrast

On white

3.20

#669F28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#669F28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669F28

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669F28	#FFFFFF	#000000	##000000
##669F28	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69310

Deuteranopia (green-blind)

#9E8E34

Tritanopia (blue-blind)

#679888

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #669f28;
/* rgb */ color: rgb(102, 159, 40);
/* oklch */ color: oklch(64.0% 0.159 132.1);

Tailwind

colors: {
  custom: {
    50: '#96bc6b',
    500: '#669f28',
    950: '#000000',
  },
}

SCSS

$custom: #669f28;
$custom-light: #96bc6b;
$custom-dark: #000000;

JSON

{
  "hex": "#669f28",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 40
  },
  "hsl": {
    "h": 88.739,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63976,
    "c": 0.15887,
    "h": 132.1
  },
  "luminance": 0.27774
}

Semantic roles & 50–950 ramp

primary

#669F28

secondary

#8F64BF

accent

#45E391

background

#F9FBF6

surface

#F2F6EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #669F28

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →